Dry spell giving daughter difficult time (7)
I believe the answer is:
drought
'dry spell' is the definition.
(I've seen this before)
'giving daughter difficult time' is the wordplay.
'giving' is a charade indicator (letters next to each other).
'daughter' becomes 'd'.
'difficult' becomes 'rough' ('rough' can be similar in meaning to 'difficult'**).
'time' becomes 't'.
'd' put next to 'rough' is 'drough'.
'drough'+'t'='DROUGHT'
(Other definitions for drought that I've seen before include "Lack of rainfall" , "Lack of rain" , "Aridity" , "Long dry spell" , "Severe water shortage" .)